You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '%E7%A7%91%E6%99%AE%E6%BC%AB%E7%94%BB' at line 1
select bclassid from ***_enewsclass where classid=%E7%A7%91%E6%99%AE%E6%BC%AB%E7%94%BB